The center is investigating a preliminary positive case which involved a 35-year-old male patient. He is a police officer working at Wan Chai Police District Headquarters and Wan Chai Police Division.

He lived at Wai Mei House, Yau Mei Court, Yau Tong. He developed sore throat, cough and runny nose on May 28 and attended a private medical practitioner on May 29. He then tested positive on May 30.

Authorities issued compulsory testing notices to the two police stations and relevant persons have to undergo virus tests by June 2.

One of the newly reported cases involved a 40-year-old male patient who arrived in Hong Kong on April 18 from India. He was a travel companion of one of the confirmed patients the Center for Health Protection announced on April 19.

He underwent quarantine at Penny's Bay Quarantine Centre as a close contact from April 18 to May 9. He then stayed at his residence at Shing Fu House, Kwai Shing East Estate, Kwai Chung. He didn’t develop any symptoms.

He tested negative on May 13 and was admitted to Princess Margaret Hospital on May 29 for his underlying illness and tested indeterminate on admission. He then tested positive for the virus antibodies.

The government hence issued a compulsory testing notice to all residents at Shing Fu House. Residents have to undergo virus tests before June 2 as well.

Among the imported cases also saw a 41-year-old woman from Indonesia, a 38-year-old man from South Korea and a 31-year-old woman from Netherlands. The three didn’t develop any symptoms.

The city’s tally now stands at 11,842.